Which of these is a hallmark of a chronic disease? question 20 options: spread through sexual activity lasts for a long time can be cured with medicine contracted from someone else

First of all, what do you mean when u say 20 options. 

Also, here is your  

Chronic disease: A disease that persists for a long time. A chronic disease is one lasting 3 months or more, by the definition of the U.S. National Center for Health Statistics. Chronic diseases generally cannot be prevented by vaccines or cured by medication, nor do they just disappear.

So, it is B. Lasts for a long time